int
lynx_init (st_rominfo_t *rominfo)
{
int result = -1;
rominfo->console_usage = lynx_usage[0].help;
rominfo->copier_usage = unknown_usage[0].help;
ucon64_fread (&lnx_header, 0, LNX_HEADER_LEN, ucon64.rom);
if (!strncmp (lnx_header.magic, "LYNX", 4))
result = 0;
else
result = -1;
if (ucon64.console == UCON64_LYNX)
result = 0;
if (!strncmp (lnx_header.magic, "LYNX", 4))
{
rominfo->buheader_len = UCON64_ISSET (ucon64.buheader_len) ?
ucon64.buheader_len : (int) LNX_HEADER_LEN;
if (UCON64_ISSET (ucon64.buheader_len) && !ucon64.buheader_len)
return ucon64.console == UCON64_LYNX ? 0 : result;
ucon64_fread (&lnx_header, 0, LNX_HEADER_LEN, ucon64.rom);
rominfo->buheader = &lnx_header;
// internal ROM name
strcpy (rominfo->name, lnx_header.cartname);
// ROM maker
rominfo->maker = lnx_header.manufname;
// misc stuff
sprintf (rominfo->misc,
"Internal Size: Bank0 %hd Bytes (%.4f Mb)\n"
" Bank1 %hd Bytes (%.4f Mb)\n"
"Version: %hd\n"
"Rotation: %s",
#ifdef WORDS_BIGENDIAN
bswap_16 (lnx_header.page_size_bank0) * 256,
TOMBIT_F (bswap_16 (lnx_header.page_size_bank0) * 256),
bswap_16 (lnx_header.page_size_bank1) * 256,
TOMBIT_F (bswap_16 (lnx_header.page_size_bank1) * 256),
bswap_16 (lnx_header.version),
#else
lnx_header.page_size_bank0 * 256,
TOMBIT_F (lnx_header.page_size_bank0 * 256),
lnx_header.page_size_bank1 * 256,
TOMBIT_F (lnx_header.page_size_bank1 * 256),
lnx_header.version,
#endif
(!lnx_header.rotation) ? "No" : ((lnx_header.rotation == 1) ? "Left" : "Right"));
}
return result;
}
int
ppf_set_fid (const char *ppf, const char *fidname)
{
int fidsize, ppfsize, pos;
char ppfname[FILENAME_MAX],
fidbuf[MAX_ID_SIZE + 34 + 1] = "@BEGIN_FILE_ID.DIZ"; // +1 for string terminator
strcpy (ppfname, ppf);
ucon64_file_handler (ppfname, NULL, 0);
fcopy (ppf, 0, fsizeof (ppf), ppfname, "wb"); // no copy if one file
printf ("Adding FILE_ID.DIZ (%s)...\n", fidname);
fidsize = ucon64_fread (fidbuf + 18, 0, MAX_ID_SIZE, fidname);
memcpy (fidbuf + 18 + fidsize, "@END_FILE_ID.DIZ", 16);
ppfsize = fsizeof (ppfname);
pos = ucon64_find (ppfname, 0, ppfsize, "@BEGIN_FILE_ID.DIZ", 18,
MEMCMP2_CASE | UCON64_FIND_QUIET);
if (pos == -1)
pos = ppfsize;
truncate (ppfname, pos);
ucon64_fwrite (fidbuf, pos, fidsize + 18 + 16, ppfname, "r+b");
pos += fidsize + 18 + 16;
#ifdef WORDS_BIGENDIAN
fidsize = bswap_32 (fidsize); // Write file size in little-endian format
#endif
ucon64_fwrite (&fidsize, pos, 4, ppfname, "r+b");
printf (ucon64_msg[WROTE], ppfname);
return 0;
}
static int
lynx_b (st_rominfo_t *rominfo, int bank, const char *value)
{
st_lnx_header_t header;
short int *bankvar;
char dest_name[FILENAME_MAX];
if (!rominfo->buheader_len)
{
fprintf (stderr, "ERROR: This is no LNX file\n\n");
return -1;
}
ucon64_fread (&header, 0, sizeof (st_lnx_header_t), ucon64.rom);
bankvar = (bank == 0 ? &header.page_size_bank0 : &header.page_size_bank1);
if ((atol (value) % 64) != 0 || (atol (value) > 512))
*bankvar = 0;
else
#ifdef WORDS_BIGENDIAN
*bankvar = bswap_16 (atol (value) * 4);
#else
*bankvar = atol (value) * 4;
#endif
strcpy (dest_name, ucon64.rom);
ucon64_file_handler (dest_name, NULL, 0);
fcopy (ucon64.rom, 0, ucon64.file_size, dest_name, "wb");
ucon64_fwrite (&header, 0, sizeof (st_lnx_header_t), dest_name, "r+b");
printf (ucon64_msg[WROTE], dest_name);
return 0;
}
int
pce_swap (st_ucon64_nfo_t *rominfo)
{
char src_name[FILENAME_MAX], dest_name[FILENAME_MAX];
unsigned char *rom_buffer;
int size = ucon64.file_size - rominfo->backup_header_len;
if ((rom_buffer = (unsigned char *) malloc (size)) == NULL)
{
fprintf (stderr, ucon64_msg[ROM_BUFFER_ERROR], size);
return -1;
}
strcpy (src_name, ucon64.fname);
strcpy (dest_name, ucon64.fname);
ucon64_file_handler (dest_name, src_name, 0);
if (rominfo->backup_header_len) // copy header (if present)
fcopy (src_name, 0, rominfo->backup_header_len, dest_name, "wb");
ucon64_fread (rom_buffer, rominfo->backup_header_len, size, src_name);
swapbits (rom_buffer, size);
ucon64_fwrite (rom_buffer, rominfo->backup_header_len, size, dest_name,
rominfo->backup_header_len ? "ab" : "wb");
free (rom_buffer);
printf (ucon64_msg[WROTE], dest_name);
remove_temp_file ();
return 0;
}
int
lynx_n (st_rominfo_t *rominfo, const char *name)
{
st_lnx_header_t header;
char dest_name[FILENAME_MAX];
if (!rominfo->buheader_len)
{
fprintf (stderr, "ERROR: This is no LNX file\n\n");
return -1;
}
ucon64_fread (&header, 0, sizeof (st_lnx_header_t), ucon64.rom);
memset (header.cartname, 0, sizeof (header.cartname));
strncpy (header.cartname, name, sizeof (header.cartname));
strcpy (dest_name, ucon64.rom);
ucon64_file_handler (dest_name, NULL, 0);
fcopy (ucon64.rom, 0, ucon64.file_size, dest_name, "wb");
ucon64_fwrite (&header, 0, sizeof (st_lnx_header_t), dest_name, "r+b");
printf (ucon64_msg[WROTE], dest_name);
return 0;
}
int
pce_f (st_ucon64_nfo_t *rominfo)
/*
Region protection codes are found in (American) TurboGrafx-16 games. It
prevents those games from running on a PC-Engine. One search pattern seems
sufficient to fix/crack all TG-16 games. In addition to that, the protection
code appears to be always somewhere in the first 32 kB.
*/
{
char src_name[FILENAME_MAX], dest_name[FILENAME_MAX], buffer[32 * 1024];
int bytesread, n;
puts ("Attempting to fix region protection code...");
strcpy (src_name, ucon64.fname);
strcpy (dest_name, ucon64.fname);
ucon64_file_handler (dest_name, src_name, 0);
fcopy (src_name, 0, ucon64.file_size, dest_name, "wb"); // no copy if one file
if ((bytesread = ucon64_fread (buffer, rominfo->backup_header_len, 32 * 1024, src_name)) <= 0)
return -1;
// '!' == ASCII 33 (\x21), '*' == 42 (\x2a)
if (rominfo->interleaved)
n = change_mem (buffer, bytesread, "\x94\x02\x0f", 3, '*', '!', "\x01", 1, 0);
else
n = change_mem (buffer, bytesread, "\x29\x40\xf0", 3, '*', '!', "\x80", 1, 0);
ucon64_fwrite (buffer, rominfo->backup_header_len, 32 * 1024, dest_name, "r+b");
printf ("Found %d pattern%s\n", n, n != 1 ? "s" : "");
printf (ucon64_msg[WROTE], dest_name);
remove_temp_file ();
return n;
}
int
jaguar_init (st_rominfo_t *rominfo)
{
int result = -1, x, value;
rominfo->buheader_len = UCON64_ISSET (ucon64.buheader_len) ?
ucon64.buheader_len : 0;
ucon64_fread (&jaguar_header, JAGUAR_HEADER_START +
rominfo->buheader_len, JAGUAR_HEADER_LEN, ucon64.rom);
value = 0;
for (x = 0; x < 12; x++)
value += OFFSET (jaguar_header, x);
if (value == 0xb0)
result = 0;
else
{
rominfo->buheader_len = UCON64_ISSET (ucon64.buheader_len) ?
ucon64.buheader_len : (int) UNKNOWN_HEADER_LEN;
ucon64_fread (&jaguar_header, JAGUAR_HEADER_START +
rominfo->buheader_len, JAGUAR_HEADER_LEN, ucon64.rom);
value = 0;
for (x = 0; x < 12; x++)
value += OFFSET (jaguar_header, x);
if (value == 0xb0)
result = 0;
else
result = -1;
}
if (ucon64.console == UCON64_JAG)
result = 0;
rominfo->header_start = JAGUAR_HEADER_START;
rominfo->header_len = JAGUAR_HEADER_LEN;
rominfo->header = &jaguar_header;
rominfo->console_usage = jaguar_usage[0].help;
rominfo->copier_usage = unknown_usage[0].help;
return result;
}
// header format is specified in src/backup/ffe.h
int
pce_msg (st_ucon64_nfo_t *rominfo)
{
char src_name[FILENAME_MAX], dest_name[FILENAME_MAX];
unsigned char *rom_buffer = NULL;
st_msg_header_t header;
int size = ucon64.file_size - rominfo->backup_header_len;
if (rominfo->interleaved)
if ((rom_buffer = (unsigned char *) malloc (size)) == NULL)
{
fprintf (stderr, ucon64_msg[ROM_BUFFER_ERROR], size);
return -1;
}
memset (&header, 0, MSG_HEADER_LEN);
header.size = (unsigned char) (size / 8192);
header.emulation = size == 3 * MBIT ? 1 : 0;
header.id1 = 0xaa;
header.id2 = 0xbb;
header.type = 2;
strcpy (src_name, ucon64.fname);
strcpy (dest_name, ucon64.fname);
set_suffix (dest_name, ".msg");
ucon64_file_handler (dest_name, src_name, 0);
ucon64_fwrite (&header, 0, MSG_HEADER_LEN, dest_name, "wb");
if (rominfo->interleaved)
{
// Magic Super Griffin files should not be "interleaved"
ucon64_fread (rom_buffer, rominfo->backup_header_len, size, src_name);
swapbits (rom_buffer, size);
ucon64_fwrite (rom_buffer, MSG_HEADER_LEN, size, dest_name, "ab");
free (rom_buffer);
}
else
fcopy (src_name, rominfo->backup_header_len, size, dest_name, "ab");
printf (ucon64_msg[WROTE], dest_name);
remove_temp_file ();
return 0;
}
static int
lynx_rot (st_rominfo_t *rominfo, int rotation)
{
st_lnx_header_t header;
char dest_name[FILENAME_MAX];
if (!rominfo->buheader_len)
{
fprintf (stderr, "ERROR: This is no LNX file\n\n");
return -1;
}
ucon64_fread (&header, 0, sizeof (st_lnx_header_t), ucon64.rom);
header.rotation = rotation; // header.rotation is an 8-bit field
strcpy (dest_name, ucon64.rom);
ucon64_file_handler (dest_name, NULL, 0);
fcopy (ucon64.rom, 0, ucon64.file_size, dest_name, "wb");
ucon64_fwrite (&header, 0, sizeof (st_lnx_header_t), dest_name, "r+b");
printf (ucon64_msg[WROTE], dest_name);
return 0;
}
// see src/backup/mgd.h for the file naming scheme
int
pce_mgd (st_ucon64_nfo_t *rominfo)
{
char src_name[FILENAME_MAX], dest_name[FILENAME_MAX];
unsigned char *rom_buffer = NULL;
int size = ucon64.file_size - rominfo->backup_header_len;
if (!rominfo->interleaved)
if ((rom_buffer = (unsigned char *) malloc (size)) == NULL)
{
fprintf (stderr, ucon64_msg[ROM_BUFFER_ERROR], size);
return -1;
}
strcpy (src_name, ucon64.fname);
mgd_make_name (ucon64.fname, UCON64_PCE, size, dest_name);
ucon64_file_handler (dest_name, src_name, OF_FORCE_BASENAME);
// bit-swapping images for the MGD2 only makes sense for owners of a TG-16
// (American version of the PCE)
if (!rominfo->interleaved)
{
ucon64_fread (rom_buffer, rominfo->backup_header_len, size, src_name);
swapbits (rom_buffer, size);
ucon64_fwrite (rom_buffer, 0, size, dest_name, "wb");
free (rom_buffer);
}
else
fcopy (src_name, rominfo->backup_header_len, size, dest_name, "wb");
printf (ucon64_msg[WROTE], dest_name);
remove_temp_file ();
mgd_write_index_file ((char *) basename2 (dest_name), 1);
return 0;
}
// based on sourcecode of MakePPF v2.0 Linux/Unix by Icarus/Paradox
int
ppf_create (const char *orgname, const char *modname)
{
FILE *orgfile, *modfile, *ppffile;
char ppfname[FILENAME_MAX], buffer[MAX_ID_SIZE], obuf[512], mbuf[512];
#if 0
char *fidname = "FILE_ID.DIZ";
#endif
int x, osize, msize, blocksize, n_changes, total_changes = 0;
unsigned int seekpos = 0, pos;
osize = fsizeof (orgname);
msize = fsizeof (modname);
#ifndef DIFF_FSIZE
if (osize != msize)
{
fprintf (stderr, "ERROR: File sizes do not match\n");
return -1;
}
#endif
if ((orgfile = fopen (orgname, "rb")) == NULL)
{
fprintf (stderr, ucon64_msg[OPEN_READ_ERROR], orgname);
exit (1);
}
if ((modfile = fopen (modname, "rb")) == NULL)
{
fprintf (stderr, ucon64_msg[OPEN_READ_ERROR], modname);
exit (1);
}
strcpy (ppfname, modname);
set_suffix (ppfname, ".ppf");
ucon64_file_handler (ppfname, NULL, 0);
if ((ppffile = fopen (ppfname, "wb")) == NULL)
{
fprintf (stderr, ucon64_msg[OPEN_WRITE_ERROR], ppfname);
exit (1);
}
// creating PPF 2.0 header
fwrite ("PPF20", 5, 1, ppffile); // magic
fputc (1, ppffile); // encoding method
memset (buffer, ' ', 50);
fwrite (buffer, 50, 1, ppffile); // description line
#ifdef WORDS_BIGENDIAN
x = bswap_32 (osize);
fwrite (&x, 4, 1, ppffile);
#else
fwrite (&osize, 4, 1, ppffile); // orgfile size
#endif
fseek (orgfile, 0x9320, SEEK_SET);
memset (buffer, 0, 1024); // one little hack that makes PPF
fread (buffer, 1024, 1, orgfile); // suitable for files < 38688 bytes
fwrite (buffer, 1024, 1, ppffile); // 1024 byte block
printf ("Writing patch data, please wait...\n");
// finding changes
fseek (orgfile, 0, SEEK_SET);
fseek (modfile, 0, SEEK_SET);
while ((blocksize = fread (obuf, 1, 255, orgfile)))
{
blocksize = fread (mbuf, 1, blocksize, modfile);
#ifdef DIFF_FSIZE
if (blocksize == 0)
break;
#endif
pos = seekpos;
x = 0;
while (x != blocksize)
{
if (obuf[x] != mbuf[x])
{
pos = seekpos + x;
n_changes = 0;
do
{
buffer[n_changes] = mbuf[x];
n_changes++;
x++;
}
while (x != blocksize && obuf[x] != mbuf[x]);
total_changes += n_changes;
#ifdef WORDS_BIGENDIAN
pos = bswap_32 (pos);
#endif
fwrite (&pos, 4, 1, ppffile);
fputc (n_changes, ppffile);
fwrite (buffer, n_changes, 1, ppffile);
}
else
x++;
}
seekpos += blocksize;
}
#ifdef DIFF_FSIZE
if (msize > osize)
{
pos = seekpos;
while ((blocksize = fread (buffer, 1, 255, modfile)))
{
total_changes += blocksize;
#ifdef WORDS_BIGENDIAN
x = bswap_32 (pos);
fwrite (&x, 4, 1, ppffile);
#else
fwrite (&pos, 4, 1, ppffile);
#endif
fputc (blocksize, ppffile);
fwrite (buffer, blocksize, 1, ppffile);
pos += blocksize;
}
}
else if (msize < osize)
printf ("WARNING: %s is smaller than %s\n"
" PPF can't store information about that fact\n",
modname, orgname);
#endif
fclose (orgfile);
fclose (modfile);
if (total_changes == 0)
{
printf ("%s and %s are identical\n"
"Removing: %s\n", orgname, modname, ppfname);
fclose (ppffile);
remove (ppfname);
return -1;
}
#if 0
if (fidname)
{
int fsize = fsizeof (fidname);
if (fsize > MAX_ID_SIZE)
fsize = MAX_ID_SIZE; // File id only up to 3072 bytes!
printf ("Adding FILE_ID.DIZ (%s)...\n", fidname);
ucon64_fread (buffer, 0, fsize, fidname);
fwrite ("@BEGIN_FILE_ID.DIZ", 18, 1, ppffile);
fwrite (buffer, fsize, 1, ppffile);
fwrite ("@END_FILE_ID.DIZ", 16, 1, ppffile);
#ifdef WORDS_BIGENDIAN
fsize = bswap_32 (fsize); // Write file size in little-endian format
#endif
fwrite (&fsize, 4, 1, ppffile);
}
#endif
fclose (ppffile);
printf (ucon64_msg[WROTE], ppfname);
return 0;
}
int
pce_init (st_ucon64_nfo_t *rominfo)
{
int result = -1, size, swapped, x;
unsigned char *rom_buffer;
st_pce_data_t *info, key;
x = ucon64.file_size % (16 * 1024);
rominfo->backup_header_len = UCON64_ISSET (ucon64.backup_header_len) ?
ucon64.backup_header_len : (ucon64.file_size > x ? x : 0);
size = ucon64.file_size - rominfo->backup_header_len;
if ((rom_buffer = (unsigned char *) malloc (size)) == NULL)
{
fprintf (stderr, ucon64_msg[ROM_BUFFER_ERROR], size);
return -1;
}
ucon64_fread (rom_buffer, rominfo->backup_header_len, size, ucon64.fname);
if (pce_check (rom_buffer, size) == 1)
result = 0;
swapped = -1;
/*
29 40 f0 => unhacked
29 40 80 => U.S.A. -> Jap hack
94 02 0f => bit-swapped and unhacked
94 02 01 => bit-swapped and hacked
According to Cowering 2 or 3 games don't use these opcodes to check if a
Japanese game is running on an American console. If they are present then
it is in the first 500 (or so) bytes.
The check for "A..Z" is a fix for Puzznic (J). The check for "HESM" a fix
for:
Fire Pro Wrestling - 2nd Bout Sounds
Fire Pro Wrestling 3 - Legend Bout Sounds
*/
x = size > 32768 ? 32768 : size;
if ((memmem2 (rom_buffer, x, "\x94\x02\x0f", 3, 0) ||
memmem2 (rom_buffer, x, "\x94\x02\x01", 3, 0)) &&
memmem2 (rom_buffer, x, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 26, 0) == 0 &&
memcmp (rom_buffer, "HESM", 4))
swapped = 1;
if (UCON64_ISSET (ucon64.interleaved))
swapped = ucon64.interleaved;
if ((result == -1 && swapped != 0) || swapped == 1)
{ // don't swap the bits if -nint is specified
if (!UCON64_ISSET (ucon64.do_not_calc_crc) || swapped == 1)
ucon64.fcrc32 = crc32 (0, rom_buffer, size);
swapbits (rom_buffer, size);
if (pce_check (rom_buffer, size) == 1)
{
swapped = 1;
result = 0;
}
if (swapped != 1)
{
ucon64.crc32 = ucon64.fcrc32;
ucon64.fcrc32 = 0;
}
}
if (swapped != -1)
rominfo->interleaved = swapped;
if (ucon64.console == UCON64_PCE)
result = 0;
rominfo->header_start = PCE_HEADER_START;
rominfo->header_len = PCE_HEADER_LEN;
rominfo->console_usage = pce_usage[0].help;
rominfo->backup_usage = rominfo->backup_header_len ? msg_usage[0].help : mgd_usage[0].help;
if (!UCON64_ISSET (ucon64.do_not_calc_crc) && result == 0)
{
if (!ucon64.crc32)
ucon64.crc32 = crc32 (0, rom_buffer, size);
// additional info
key.crc32 = ucon64.crc32;
info = (st_pce_data_t *) bsearch (&key, pce_data,
sizeof pce_data / sizeof (st_pce_data_t),
sizeof (st_pce_data_t), pce_compare);
if (info)
{
if (info->maker)
rominfo->maker = NULL_TO_UNKNOWN_S (pce_maker[MIN (info->maker,
PCE_MAKER_MAX - 1)]);
if (info->serial)
if (info->serial[0])
{
strcat (rominfo->misc, "\nSerial: ");
strcat (rominfo->misc, info->serial);
}
if (info->date)
{
int day = info->date / 10000, month = (info->date % 10000) / 100,
year = info->date % 100;
char date[80];
date[0] = 0;
if (day)
sprintf (date, "\nDate: %d/%d/19%d", day, month, year);
else if (month)
sprintf (date, "\nDate: %d/19%d", month, year);
else if (year)
sprintf (date, "\nDate: 19%d", year);
strcat (rominfo->misc, date);
}
if (info->comment)
if (info->comment[0])
{
strcat (rominfo->misc, "\nComment: ");
strcat (rominfo->misc, info->comment);
}
}
}
free (rom_buffer);
return result;
}
int
atari_init (st_ucon64_nfo_t * rominfo)
{
int i, j, bsmode, size = ucon64.file_size;
unsigned int crc32;
static char backup_usage[80];
unsigned char first, image[ATARI_ROM_SIZE], buffer[0x200];
char md5[32];
if (size > ATARI_ROM_SIZE)
return -1;
if (size != 0x800 && size != 0x1000 && size != 0x2000 && size != 0x2100 &&
size != 0x2800 && size != 0x28ff && size != 0x3000 && size != 0x4000 &&
size != 0x8000 && size != 0x10000 && size != 0x20000)
return -1;
ucon64_fread (image, 0, size, ucon64.fname);
ucon64_chksum (NULL, md5, &crc32, ucon64.fname, ucon64.file_size, 0);
bsmode = get_game_bsmode_by_crc (crc32);
if (bsmode == -1)
bsmode = get_game_bsmode_by_md5 (md5);
if (bsmode == -1)
{
if (!(size % 8448))
bsmode = BSM_AR;
else if (size == 2048 || !memcmp (image, image + 2048, 2048))
bsmode = BSM_2K;
else if (size == 4096 || !memcmp (image, image + 4096, 4096))
bsmode = BSM_4K;
else if (size == 8192 || !memcmp (image, image + 8192, 8192))
bsmode = is_probably_3f (image, size) ? BSM_3F : BSM_F8;
else if (size == 10495 || (size == 10240))
bsmode = BSM_DPC;
else if (size == 12288)
bsmode = BSM_FASC;
else if (size == 32768)
{
// Assume this is a 32K super-cart then check to see if it is
bsmode = BSM_F4SC;
first = image[0];
for (i = 0; i < 0x100; i++)
if (image[i] != first)
{
// It's not a super cart (probably)
bsmode = is_probably_3f (image, size) ? BSM_3F : BSM_F4;
break;
}
}
else if (size == 65536)
bsmode = is_probably_3f (image, size) ? BSM_3F : BSM_MB;
else if (size == 131072)
bsmode = is_probably_3f (image, size) ? BSM_3F : BSM_MC;
else
{
// Assume this is a 16K super-cart then check to see if it is
bsmode = BSM_F6SC;
first = image[0];
for (i = 0; i < 0x100; i++)
if (image[i] != first)
{
// It's not a super cart (probably)
bsmode = is_probably_3f (image, size) ? BSM_3F : BSM_F6;
break;
}
}
}
if (bsmode > 0)
{
memset (&atari_rominfo, 0, sizeof (st_atari_rominfo_t));
atari_rominfo.bsm = bsmode;
// set game_page_count and empty_page[]
for (i = 0; i < size / 0x100; i++)
{
ucon64_fread (buffer, i * 0x100, 0x100, ucon64.fname);
atari_rominfo.empty_page[i] = 1;
for (j = 0; j < 0x100 - 1; j++)
if (buffer[j] != buffer[j + 1])
{
atari_rominfo.empty_page[i] = 0;
atari_rominfo.game_page_count++;
break;
}
}
atari_rominfo.speed_hi = (unsigned char) (atari_rominfo.game_page_count / 21 + 1);
atari_rominfo.speed_low = (unsigned char) (atari_rominfo.game_page_count * 0x100 / 21 - (atari_rominfo.speed_hi - 1) * 0x100);
atari_rominfo.ctrl_byte = get_bsmode_by_id (atari_rominfo.bsm)->ctrl_byte;
// the first two bytes of data indicate the beginning address of the code
if (atari_rominfo.bsm != BSM_3F)
{
ucon64_fread (buffer, get_bsmode_by_id (atari_rominfo.bsm)->start_page * 0x100, 0x100, ucon64.fname);
atari_rominfo.start_low = buffer[0xfc];
atari_rominfo.start_hi = buffer[0xfd];
}
rominfo->console_usage = atari_usage[0].help;
// "Cuttle Card (2)/Starpath) Supercharger/YOKO backup unit"
snprintf (backup_usage, 80, "%s/%s/%s", cc2_usage[0].help,
spsc_usage[0].help, yoko_usage[0].help);
backup_usage[80 - 1] = 0;
rominfo->backup_usage = backup_usage;
sprintf (rominfo->misc,
"Bankswitch type: %s\n"
"Start address: 0x%02x%02x\n"
"Speed: 0x%02x%02x\n"
"Control byte: 0x%02x\n"
"Page count: %d\n"
"Blank pages: %d\n"
"Start page: %d",
get_bsmode_by_id (atari_rominfo.bsm)->bsm_s,
atari_rominfo.start_hi,
atari_rominfo.start_low,
atari_rominfo.speed_hi,
atari_rominfo.speed_low,
atari_rominfo.ctrl_byte,
atari_rominfo.game_page_count,
size / 0x100 - atari_rominfo.game_page_count,
get_bsmode_by_id (atari_rominfo.bsm)->start_page);
return 0;
}
return -1;
}